By Nick Investment · Updated 2026-10-28
Why money in a savings account slowly buys less, how to work out a real return after tax, and how to match each part of your savings to its time frame.
Inflation is the rise in prices over time. In India the headline measure is the Consumer Price Index (CPI), published every month by the National Statistics Office under MoSPI. The Reserve Bank of India runs monetary policy with a CPI inflation target of 4%, with a tolerance band of 2% to 6%.
A few percent a year sounds small. Over a decade it is not. If prices rise 6% a year, ₹1 lakh kept in a cupboard for 10 years will buy what about ₹56,000 buys today. The note still says ₹1 lakh, but it buys a little over half as much.
Six percent is used here only as a round number. Inflation has been lower than that in some years and higher in others. The point is the direction, not the exact figure.
The interest or return you see on a statement is the nominal return. What matters for your future spending is the real return: what is left after tax, minus inflation.
Take a simple example. A fixed deposit pays 7% a year. If you are in the 30% tax slab, about 2.1% of that goes in tax, leaving roughly 4.9%. If inflation runs at 6%, your money is losing about 1% of buying power every year, even though the balance keeps rising.
For someone in a lower slab, or a senior citizen who pays little tax, the same FD can give a small positive real return. So the answer differs from family to family. It is worth doing this sum once for your own situation.
The CPI is an average basket for the whole country. Your household spends differently. In many families, school and college fees and medical bills rise faster than the headline figure, while some goods get cheaper.
When you plan for a specific goal, such as a child's engineering fees in 12 years or your own retirement, use an inflation figure that fits that goal. Our calculators let you change the assumption so you can see how much it moves the answer.
Inflation does the most damage over long periods, which makes it the biggest risk in retirement planning. At 6%, monthly expenses of ₹40,000 today become about ₹1.28 lakh in 20 years. A retired couple then needs that amount to keep rising for another 20 or 25 years.
A pension or FD interest that stays flat loses buying power every year of retirement. This is why many retired people still keep part of their money in growth assets, and why a retirement target should be built on inflated expenses, not today's.
The most useful step is to split your savings by when you will need them. Each part then has a different job, and a different place to sit.
Shares are part-ownership of businesses. When prices in the economy rise, many companies can raise their own prices too, so their earnings tend to grow with the economy over time. That is the basic reason equity has historically done better than deposits over long periods.
The catch is that the path is rough. In 2008, and again in early 2020, Indian share indices fell by a third or more within months. Anyone who needed the money in those years, or who panicked and sold, did not get the long-term result. This is why equity is only for money with a long time frame.
Gold is held by most Indian families. It has often held its value when currencies weaken and can rise when markets are stressed. It pays no interest or dividend, so its return depends entirely on the price.
Property can rise with inflation and can earn rent. It also needs a large amount at once, carries stamp duty, registration and maintenance costs, and is slow to sell. A single flat or plot is also a concentrated bet on one location.
Both can have a place. Neither is a substitute for having a clear plan for each goal.
MoSPI publishes CPI data every month. The RBI's monetary policy statements explain where it expects inflation to go. Both are free to read and are better sources than forwarded messages.
Mutual Fund investments are subject to market risks, read all scheme related documents carefully. Figures are illustrative assumptions, not a promise or forecast of returns. Past performance is not indicative of future results.
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